Which of the following is a property of water a. polar molecule b. regulates temperature c. universal solvent d. all of the above

Why is baking soda a ionic compound?

Radiation transfers thermal energy through A) light B) waves C) fluids D) direct contact?

Predict the effects of an increase in pressure for each reaction. N2 (g) + 3H2 (g) → 2NH3 (g) 2503 (9) 2802 (g) + O2 (g) SnO2 (s) + 2H2 (g) → Sn (s) + 2H20 (g) Na2CO3 (s) + 2HCl (aq) → CO2 (g) + H2O (l) + 2NaCl (aq) s AgNO3 (aq) + Cu (s) → CUNO3

Determime the number of moles in the following compounds; a. 125 g of H2SO4 b. 35 g of CuSO4 * 5H2O

The average amount of energy of motion of each particle of a substance is called what?

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 and has an average atomic mass of 1.00794 amu. This information indicates that 1. equal numbers of each isotope are present 2. more isotopes have an atomic mass of 2 or 3 than of 1 3.

Describe the process of how visible light is produced

Which of the following contains both ionic and covalent bonding? CH4 NaCl NH4Cl N2O4 If the formula for a compound is represented by X2Y3 and the charge on the Y ion is - 2, what is the charge in the X ion? +1 +2 +3 +4

Qual e o maior orgao do corpo humano

Whic of the following fromulas represents a nonpolar molecule? a) N2 b) H2O c) NaCI d) HCI